2639 Riverside Dr, Lyons, CO 80540 Property Records

Boulder County property record for 2639 Riverside Dr, Lyons, CO 80540 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	1 Beds
Architecture Style	Ranch
Year Built	Built 1958
Square Footage	440 sqft Living Area
Lot Size	5,161 sqft (0.119 acres)
Last Sale	$50,000 (1996)
Tax Bill	$1,010.00 (2025)

Owner

Source: Boulder County records · APN 1321-09-0-01-005

Assessment roll updated June 15, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	PO BOX 113, NIWOT, CO 80544-0113
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 19, 1996 · Amount on Record
Deed Sale	Nov 19, 1996 · Amount on Record
Prior Sale	Sep 15, 1993 · Amount on Record
Deed Doc Number	19961658687
Record Refreshed	Sep 20, 2026

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Unified School District	St. Vrain Valley School District RE 1J (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$11,197 (+8.8%) Land $1,353 Building $9,844	$164,659 (-) Land $19,900 Building $144,759
2025	$1,010.00 (+13.61%)	$10,291 (-24.91%) Land $1,244 Building $9,047	$164,659 (-19.5%) Land $19,900 Building $144,759
2024	$889.00 (+1.48%)
2023	$876.00 (+11.45%)	$13,704 (+60.47%) Land $1,206 Building $12,498	$204,534 (+66.45%) Land $18,000 Building $186,534
2022	$786.00	$8,540 Land $959 Building $7,581	$122,877 Land $13,800 Building $109,077

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 100 ft

Wildfire

Wildfire Risk	Extreme above 97% of the US · above 99% of Colorado
Wildfire Likelihood	About 1 in 65 per year
Exposure	Direct burnable vegetation at the parcel

Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.

Values are read at the parcel center point; lenders make the official flood determination.

Property Details

APN / Parcel Number

Primary APN	`1321-09-0-01-005`
Alternative APNs	`R0053574` `0053574`

Interior

Bedrooms	1 Beds
Total Rooms	3 Rooms
Building Area	440 sqft Living Area
1st Floor	440 sqft 1st Floor
Stories	1 Stories
Interior Structure	Paneling Interior Structure

Exterior

Year Built	Built 1958
Effective Year Built	Effective 1958
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Lot Area	5,161 sqft (0.119 acres)

Location & Zoning

Account Number	R0053574
Street Address	2639 RIVERSIDE DR
City	LYONS
State	CO
Zip	80540
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 8 HEATHERMEADE 4
Legal Range	72
Legal Township	2N
Legal Section	09
Legal Subdivision	HEATHERMEADE 4 - MT
Legal Block	1
Legal Lot Number	8
Jurisdiction	BOULDER CO
Minor Civil Division	UPPER ST. VRAIN
Census Blockgroup	1
Census Block	1047
Census Tract	13602